/*
 * Copyright (C) 2012 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.crsh.cli.completers;

import org.crsh.cli.descriptor.ParameterDescriptor;
import org.crsh.cli.spi.Completer;
import org.crsh.cli.spi.Completion;

public class EmptyCompleter implements Completer {

  /** . */
  private static final EmptyCompleter instance = new EmptyCompleter();

  /**
   * Returns the empty completer instance.
   *
   * @return the instance
   */
  public static EmptyCompleter getInstance() {
    return instance;
  }

  /**
   * Returns the value returned by {@link java.util.Collections#emptyList()}.
   */
  public Completion complete(ParameterDescriptor parameter, String prefix) {
    return Completion.create();
  }
}
